From: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date: Fri, 4 Apr 2014 15:47:45 +0000 (+0000)
Subject: [ARM/AArch64] Reduce divider reservation duration in Cortex-A53 pipeline decription
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=094bc2190ac07a4ff00aa1d8a42fca01925bb30c;p=gcc.git

[ARM/AArch64] Reduce divider reservation duration in Cortex-A53 pipeline decription

	PR bootstrap/60743
	* config/arm/cortex-a53.md (cortex_a53_fdivs): Reduce reservation
	duration.
	(cortex_a53_fdivd): Likewise.

From-SVN: r209119
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 851cee76ba2..942b011f0c1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2014-04-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	PR bootstrap/60743
+	* config/arm/cortex-a53.md (cortex_a53_fdivs): Reduce reservation
+	duration.
+	(cortex_a53_fdivd): Likewise.
+
 2014-04-04  Martin Jambor  <mjambor@suse.cz>
 
 	PR ipa/60640
diff --git a/gcc/config/arm/cortex-a53.md b/gcc/config/arm/cortex-a53.md
index b131c814d07..a629bd61dae 100644
--- a/gcc/config/arm/cortex-a53.md
+++ b/gcc/config/arm/cortex-a53.md
@@ -245,12 +245,12 @@
 (define_insn_reservation "cortex_a53_fdivs" 14
   (and (eq_attr "tune" "cortexa53")
        (eq_attr "type" "fdivs, fsqrts"))
-  "cortex_a53_slot0, cortex_a53_fp_div_sqrt * 13")
+  "cortex_a53_slot0, cortex_a53_fp_div_sqrt * 5")
 
 (define_insn_reservation "cortex_a53_fdivd" 29
   (and (eq_attr "tune" "cortexa53")
        (eq_attr "type" "fdivd, fsqrtd"))
-  "cortex_a53_slot0, cortex_a53_fp_div_sqrt * 28")
+  "cortex_a53_slot0, cortex_a53_fp_div_sqrt * 8")
 
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 ;; ARMv8-A Cryptographic extensions.